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You are an instructor of beauty and wellness courses at a local vocational school. Teresa, one of your students, asks you why it is so important that beauty professionals have a thorough understanding of chemistry. What do you tell her?

What is the proper placement of bands on perm rods?

A client wants to straighten coarse hair. The client mentions that their hair often seems frizzy and is concerned that if their hair loses all its curl it might look even frizzier. The client also seems hesitant to make a permanent change. Which service should the cosmetologist recommend?

How many elements are known to science today?

Name this blood vessel.

Three athletes had their hematocrit levels tested. The results (shown below) reveal one hematocrit percentage is consistent with blood doping. Which athlete is most likely to have been blood doping? Athlete A: Hematocrit level 31% Athlete B: Hematocrit level 44% Athlete C: Hematocrit level 68%

Which cardiac disease is characterized by the build-up of fatty deposits, or plaques, as seen in the cross-section of arteries below?

Hinduism teaches that the soul (atman) is eternal and undergoes a continuous cycle of birth, death, and rebirth until it achieves moksha

Name this leukocyte.

Which letter represents ventricular repolarization?